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PreviSat is a satellite tracking software for observing purposes. Very easy to use, it shows positions of artificial satellites in real-time or manual mode. PreviSat is able to make predictions of their passes, predictions of Iridium flares and several other calculations.

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Website http://previsat.sourceforge.net
  • NORAD SGP4 model (Hoots, Roehrich, 1980; Vallado, 2006)
  • Real time / Manual mode / Simulation mode
  • World map / Sky map
  • ISS Live and Wall Command Center visualization
  • Topocentric / Equatorial / Terrestrial coordinates (satellites, Sun, Moon)
  • Osculating elements, satellite informations
  • Weather for observer location and NASA bases
  • Intuitive interface (handling of TLE, selection of location, options for display)
  • Prediction of passes, Iridium flares, orbital events, ISS transits, MetOp and SkyMed flares (very fast calculations)
  • Satellite data search (all objects referenced by NORAD since 1957)
  • Available for Windows/Linux/MacOS X platforms